 <div id="product_header">
         <header  class="wow fadeInDown" data-wow-duration="2s" id="headernav">
             <div class="header_comtain">
                  <div class="left">
                       <div class="logo">
                          <a href="{:C('LOCAL_DOMAIN')}" title="LOGO">
                              <img src="__ASSET__/Home/v4/src/images/logo.png" alt="logo" style="width:100%;">
                          </a>
                      </div>
                      <div class="logo2">
                          <a href="{:C('LOCAL_DOMAIN')}" title="LOGO">
                              <img src="__ASSET__/Home/v4/src/images/logo2.png" alt="logo">
                          </a>
                      </div>
                      <a href="{:C('LOCAL_DOMAIN')}" class="enter_gw">进入官网</a>
                  </div>
                  <div class="header_right right">
                      <ul>
                            <li><a <if condition="$tab eq 'pc'">class="active"</if> href="{:C('LOCAL_DOMAIN')}/download">PC录制工具</a></li>
                            <li><a <if condition="$tab eq 'app'">class="active"</if> href="{:C('LOCAL_DOMAIN')}/download/app">APP</a></li>
                      </ul>
                  </div>
             </div>
         </header>
</div>